IL241138B - Improvement of spread spectrum gmsk signals - Google Patents

Improvement of spread spectrum gmsk signals

Info

Publication number
IL241138B
IL241138B IL24113815A IL24113815A IL241138B IL 241138 B IL241138 B IL 241138B IL 24113815 A IL24113815 A IL 24113815A IL 24113815 A IL24113815 A IL 24113815A IL 241138 B IL241138 B IL 241138B
Authority
IL
Israel
Prior art keywords
improvement
spread spectrum
gmsk signals
spectrum gmsk
signals
Prior art date
Application number
IL24113815A
Other languages
Hebrew (he)
Inventor
Floch Jean-Jacques
Soualle Francis
Jan Wendel Dr
Original Assignee
Airbus Ds Gmbh
Jean Jacques Floch
Soualle Francis
Jan Wendel Dr
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Airbus Ds Gmbh, Jean Jacques Floch, Soualle Francis, Jan Wendel Dr filed Critical Airbus Ds Gmbh
Publication of IL241138B publication Critical patent/IL241138B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/12—Modulator circuits; Transmitter circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/709—Correlator structure
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/02—Details of the space or ground control segments
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2003—Modulator circuits; Transmitter circuits for continuous phase modulation
    • H04L27/2007—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained
    • H04L27/2017—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained in which the phase changes are non-linear, e.g. generalized and Gaussian minimum shift keying, tamed frequency modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits
    • H04L27/362—Modulation using more than one carrier, e.g. with quadrature carriers, separately amplitude modulated
    • H04L27/364—Arrangements for overcoming imperfections in the modulator, e.g. quadrature error or unbalanced I and Q levels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B2001/70724—Spread spectrum techniques using direct sequence modulation featuring pilot assisted reception
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/0022—PN, e.g. Kronecker

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
IL24113815A 2014-09-04 2015-09-03 Improvement of spread spectrum gmsk signals IL241138B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14003057.8A EP2993845B1 (en) 2014-09-04 2014-09-04 Improvement of spread spectrum GMSK signals
EP14290353.3A EP2993846B1 (en) 2014-09-04 2014-11-26 Improvement of spread spectrum gmsk signals

Publications (1)

Publication Number Publication Date
IL241138B true IL241138B (en) 2019-10-31

Family

ID=51492154

Family Applications (1)

Application Number Title Priority Date Filing Date
IL24113815A IL241138B (en) 2014-09-04 2015-09-03 Improvement of spread spectrum gmsk signals

Country Status (7)

Country Link
US (1) US9503153B2 (en)
EP (2) EP2993845B1 (en)
JP (1) JP6284512B2 (en)
KR (1) KR20160028957A (en)
CN (1) CN105530214B (en)
CA (1) CA2902073C (en)
IL (1) IL241138B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107957586B (en) * 2017-11-21 2022-02-01 东华理工大学 Ambiguity reduction correlation method based on lower triangular Cholesky decomposition
CN108282189B (en) * 2017-12-05 2019-11-26 深圳市力合微电子股份有限公司 A kind of signal modulating method and system of micro power radio communication system
CN108964827B (en) * 2018-08-17 2020-04-28 盐城工学院 Short-distance wireless network based on frequency shift keying and adopting CDMA technology
CN108965181A (en) * 2018-09-25 2018-12-07 电子科技大学 A kind of signal modulation mode recognition methods for data-link signal interception system
WO2020076924A1 (en) * 2018-10-10 2020-04-16 Kyocera Corporation Cdma based reservation channel transmission in v2v communications
CN109412642B (en) * 2018-10-10 2021-05-18 华中科技大学 Signal modulation and demodulation method and phase hopping modulation and demodulation unit
US11575550B2 (en) * 2021-01-29 2023-02-07 Rockwell Collins, Inc. System and method for high-entropy gaussian minimum shift keying (HE-GMSK) modulation
CN113347130A (en) * 2021-06-03 2021-09-03 广州技象科技有限公司 Sequence index spread spectrum method and device based on MSK/GMSK modulation
US11942982B2 (en) * 2022-01-11 2024-03-26 L3Harris Technologies, Inc. Tactical/legacy waveform obfuscation through independent spreading overlay

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1070007B1 (en) 1998-03-31 2003-10-29 Continental Teves AG & Co. oHG Method and device for determining correction values for wheel speeds
US8050345B1 (en) * 1999-08-09 2011-11-01 Kamilo Feher QAM and GMSK systems
FR2856143B1 (en) * 2003-06-13 2005-09-23 Centre Nat Etd Spatiales METHOD AND DEVICE FOR DEMODULATING SATELLITE RADIONAVIGATION SIGNALS
EP1678837A4 (en) 2003-10-29 2012-01-04 Viasat Inc Gmsk spread modulation
DE602005008218D1 (en) 2004-04-20 2008-08-28 Nxp Bv METHOD FOR IMPROVING ERROR REDUCTION IN A DIGITAL / ANALOG TRANSFER AND DIGITAL / ANALOG TRANSFER IN WHICH THIS PROCEDURE IS APPLIED
US8049540B2 (en) * 2008-09-19 2011-11-01 Analog Devices, Inc. Calibration system and method for phase-locked loops
DE102009033788A1 (en) * 2009-07-17 2011-03-03 Astrium Gmbh Method for receiving a signal and receiver

Also Published As

Publication number Publication date
EP2993845A1 (en) 2016-03-09
JP6284512B2 (en) 2018-02-28
US20160072546A1 (en) 2016-03-10
KR20160028957A (en) 2016-03-14
EP2993845B1 (en) 2018-02-28
CN105530214B (en) 2019-06-04
CN105530214A (en) 2016-04-27
EP2993846A1 (en) 2016-03-09
US9503153B2 (en) 2016-11-22
CA2902073A1 (en) 2016-03-04
JP2016059042A (en) 2016-04-21
EP2993846B1 (en) 2021-07-14
CA2902073C (en) 2018-06-26

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Legal Events

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FF Patent granted
KB Patent renewed